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公开(公告)号：US2585625A
公开(公告)日：1952-02-12
申请号：US13983150
申请日：1950-01-21
Applicant: GEORGE W HOULSBY JR
Inventor： MARTIN CARLSON
IPC: E05F3/10
CPC classification number: E05F3/104 , E05F3/225 , E05Y2201/448 , E05Y2201/492 , E05Y2800/10 , E05Y2800/12 , E05Y2800/21 , E05Y2800/28 , E05Y2900/132 , Y10T16/2774
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